The effect of exotic environment such as salt solution type and freeze-thaw cycles on chloride diffusion in concreteies was studied by experiment.
通过试验研究了盐溶液类型及冻融循环等外部环境对混凝土中氯离子扩散性能的影响。
The problems of solution diffusion are studied in detail by holography based on the diffusion mechanism and experimental technique.
本文从扩散机理和实验技术上,详细讨论了激光全息术用于研究溶液扩散的问题。
In biochemistry, dialysis is the process of separating molecules in solution by the difference in their rates of diffusion through a semipemeable, such as dialysis tubing.
在生物化学中,透析是指根据分子扩散速率的不同,利用半透膜(如透析管)分离溶液中分子的过程。
Our proof of the convergence is based on an asymptotic diffusion expansion and requires error estimates on a matched boundary layer approximation to the solution of the discrete-ordinate method.
其收敛性的证明是依据其渐近扩散展开式,在边界层上得到的误差估计逼近其离散纵标方法的解。
A modified light diffusion solution model was proposed from a heuristic version of beam spreading (BS) model and diffusion approximation (DA) theory.
受到光束扩散模型和漫射近似理论的启发,提出了一种改进的光传输求解模型。
A strict mathematical deduction is conducted under given boundary condition, then the analytical solution of oil droplet's transport and diffusion equation is presented.
在所给定的边界条件下,进行严密的数学推导,给出了油滴输移扩散方程的解析解。
For the slow diffusion equation with the source term, we also obtained the finite propagation property of solution.
此外,对于具有源项慢速扩散方程,得到了解的有限传播性质。
This Paper presents one-dimensional backward analytical solution of diffusion equations and its application to optimization of fuel utilization.
本文介绍一维扩散方程的逆向计算方法,并讨论了该方法在核燃料利用最优化分析上的应用。
The results indicate that sintering temperature plays a prime role in the development of the number of phase layers and affects the thickness of diffusion solution layer by the thermal time.
实验结果表明,烧结温度对相层数量起主要作用,并和保温时间一起影响扩散溶解层厚度。
The response matrix technique was used for the iterative solution of the nodal diffusion equations, which greatly improves the computational efficiency of this method.
将响应矩阵技术应用于迭代求解过程,使得该方法具有较高的计算效率。
The shooting method, sub and super solution method, and fixed point theorem were used to study a class of nonlinear diffusion equations with nonlocal boundary value condition in perforated domains.
利用打靶法、上下解方法和不动点定理等工具,研究有孔区域上一类具非局部边值条件的非线性扩散方程。
A kinetics nodal method for the solution of transient two-group multi - dimensional neutron diffusion equation is described.
介绍一种求解瞬态两群多维中子扩散方程的动力学节块方法。
The good properties of solution and diffusion of supercritical fluid are helpful for removing the deactivation of catalysts in catalytic reaction.
利用超临界流体良好的溶解性能和扩散性能可以很好地解决非均相催化剂的失活问题。
In this paper, a strict mathematical deduction is finished under given boundary condition, then the analytical solution of oil droplet's transport and diffusion equation is followed.
在所给定解条件下,进行严密的数学推导,给出油滴输移扩散方程的解析解。
This paper mainly studies the numerical solution of a class of nonlinear diffusion equations using a monotone iteration method with the global convergence.
本文主要运用一种具有全局收敛性的单调迭代法求解了一类非线性扩散方程的数值解。
Diffusion of anolyte containing ferric ion into the cathode compartment is avoided by maintaining a small hydrostatic head of the mixed solution in the diaphragm-bag.
通过维持隔膜袋里混合溶液小的静压头,避免含有三价铁离子的阳极液扩散进入阴极室。
The molecule flow diffusion equation and the boundary conditions are given. The solution with linear approximation of entrance pressure is presented.
给出了分子流扩散方程的边界条件,推导出入口压力在线性近似下方程的解。
We derive the analytic solution of the non-homogeneous fractional diffusion-wave equation under the mixed boundary conditions using the method of separation of variables.
利用分离变量方法导出了在混合边界条件下的非齐次分数阶扩散-波动方程的解析解。
The aggressiveness ofaerated solution accreted by increasing the limit diffusion current density of oxygen.
介质充气后氧的极限扩散电流密度增大,对材料的侵蚀性增强。
The properties of solution to a class of quasilinear degenerate parabolic system coupled via three nonlinear diffusion equation are considered.
研究了由三个拟线性退化抛物型方程通过非线性项耦合而得到的一类拟线性退化抛物方程组解的性质。
The response matrix technique is used, which gives a fast-running scheme for the iterative solution of the nodal diffusion equations.
此外,将响应矩阵技术应用于迭代求解过程,使得该方法具有较高的计算效率。
The almost periodic solution of non-autonomous diffusion Schoner models is discussed through Liapunov function and differential inequalities.
利用李雅普诺夫函数和微分不等式探讨带扩散Schoner模型的概周期解的稳定性问题。
The differential equations of coal particle gas diffusion under the third kind boundary condition and its analytical solution have obtained on the basis of theoretical analysis.
基于理论分析建立了第三类边界条件下的煤粒瓦斯扩散方程,并给出了解析解。
Meanwhile, the removal of the free sulfur from the chalcopyrite will facilitate the ion diffusion and the further oxidative solution of chalcopyrite.
同时,清除黄铜矿表面氧化溶解产物——单体硫后,有助于离子扩散和黄铜矿的进一步氧化溶解。
The compactness of the deposit is obviously increased through the inhibition to agar gels to the convection and diffusion of the solution.
本发明利用琼脂凝胶对溶 液中的对流和扩散的抑制作用使沉积物的致密度得到了明显提高。
The aim of this paper is to study the solution and diffusion behavior of small-molecule solvent in polymer membrane based on the solution-diffusion model.
本论文的主要目的是基于渗透汽化过程提出的溶解扩散模型,研究汽油组分小分子在高分子膜材料中的溶解行为和扩散行为。
The results of 3D WWER benchmark problems demonstrate that it is an advanced method for the solution of multigroup diffusion equation in hexagonal geometry.
三维WWER基准问题的校算表明了该方法是求解六角形几何扩散问题的先进方法。
Dissolution Capacity of Hydrophobic Drugs in Aqueous Solution--Solubility and Diffusion Gibbs Free Energy;
这种的溶解度可能与非水合物的溶解度有明显的不同。
By using the finite-difference method, a solution is obtained in this paper to the diffusion problem of the catalytic agent released by the airplane.
本文利用有限差分法对飞机播撒催化剂的扩散问题进行了求解。
The results showed that percutaneous fluxes of 1 in pH7.4 phosphate buffer solution with anodal and cathodal iontophoresis were 230% and 45% of that of the passive diffusion flux respectively.
结果表明,1生理盐水饱和液阳极导入时的透皮速率是被动扩散的2.3倍,阴极导入时药物的透皮速率是其被动扩散的45%,说明电渗作用明显促进了分子型药物1的经皮渗透;
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